Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eduard JanacekfiledCriticalEduard Janacek
Priority to CS234783ApriorityCriticalpatent/CS232440B3/en
Publication of CS234783A1publicationCriticalpatent/CS234783A1/en
Publication of CS232440B3publicationCriticalpatent/CS232440B3/en